*{
    margin: 0;
    padding: 0;
}

body{
    background-color: rgba(255, 135, 87, 0.1);
}

.content{
    margin-top: 80px;
    position: relative;
    height: 600px;
    width: 960px;
    margin-left: auto;
    margin-right: auto;
    overflow: hidden;

}

.content>#carousel{
    width: 6720px;
    height: 600px;
    list-style: none;
    position: absolute;
}

.content>#carousel>li{
    float: left;
}

.content>#carousel>li>img{
    height: 600px;
    width: 960px;
}

#focus{
    display: none;
}

#less{
    position: absolute;
    height: 100px;
    width: 50px;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 99;
    top: 50%;
    transform: translate(0,-50%);
    line-height: 100px;
    text-align: center;
    font-size: 40px;
    color: #ccc;
    border-top-right-radius: 5px;
    border-bottom-right-radius: 5px;
    cursor: pointer;
}

#great{
    position: absolute;
    height: 100px;
    width: 50px;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 99;
    top: 50%;
    right: 0;
    transform: translate(0,-50%);
    line-height: 100px;
    text-align: center;
    font-size: 40px;
    color: #ccc;
    border-top-left-radius: 5px;
    border-bottom-left-radius: 5px;
    cursor: pointer;
}